Home / 551,340.58-827,125.67-172,246

Finding the Fourth Proportional to 551,340.58, 827,125.67 and 172,246

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Solution

The fourth proportional to 551,340.58, 827,125.67 and 172,246 is: 258,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,340.58 : 827,125.67 = 172,246 : x
  2. Step 2: Convert to fraction form
    551,340.58/827,125.67 = 172,246/x
  3. Step 3: Cross multiply
    551,340.58x = 827,125.67 × 172,246
  4. Step 4: Simplify right side
    551,340.58x = 142,469,088,154.82
  5. Step 5: Solve for x
    x = 142,469,088,154.82/551,340.58
  6. Step 6: Final answer
    x = 258,404.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.